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Practice Questions

Which of the following are container controls? (Choose all correct answers.)

A. Windows Form

B. Label

C. Panel

D. RadioButton

E. GroupBox

A1:

Answers A, C, and E are correct. The Windows Form is itself both a container and a control, as are the Panel and GroupBox controls. Answer B is incorrect because the Label control is a read-only control used to display text. Answer D is incorrect because a RadioButton control is a check box–like control used to allow a user to select only one of several items.

You want to prevent a TextBox control from receiving the focus through user tabbing and to not accept changes to its stored value if a user clicks it. What action or actions should you take to complete this task using ...

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